<template>
  <div>
    <el-image
      v-for="(ele,index) in real_src" :key="index"
      :src="isExternalss(ele)?ele:(baseurl + ele)"
      fit="cover"
      style="width: 145px;height: 145px;margin-right: 18px"
      :preview-src-list="realSrcList"
    >
      <div slot="error" class="image-slot">
        <i class="el-icon-picture-outline"></i>
      </div>
    </el-image>
  </div>
</template>

<script>
  //:style="`width:${realWidth};height:${realHeight};`"
import { isExternal } from "@/utils/validate";

export default {
  name: "ImagePreview",
  props: {
    src: {
      type: String,
      required: true
    },
    width: {
      type: [Number, String],
      default: ""
    },
    height: {
      type: [Number, String],
      default: ""
    },

  },
  data(){
    return{
      real_src:[],
      baseurl:'',
    }
  },
  created(){
    this.real_src = this.src.split(",");
    this.baseurl=process.env.VUE_APP_BASE_API;
    console.log("图片列表",this.src,"====",this.real_src,"-- -",this.baseurl);

  },
  methods:{
    isExternalss(ele){
      return isExternal(ele);
    }
  },
  computed: {
    realSrc() {
      // console.log("图片列表",real_src);
      this.real_src = this.src.split(",");
      if (isExternal(this.real_src)) {
        return this.real_src;
      }
      return process.env.VUE_APP_BASE_API + real_src;
    },
    realSrcList() {
      let real_src_list = this.src.split(",");
      let srcList = [];
      real_src_list.forEach(item => {
        if (isExternal(item)) {
          return srcList.push(item);
        }
        return srcList.push(process.env.VUE_APP_BASE_API + item);
      });
      return srcList;
    },
    realWidth() {
      return typeof this.width == "string" ? this.width : `${this.width/3}px`;
    },
    realHeight() {
      return typeof this.height == "string" ? this.height : `${this.height/3}px`;
    }
  },
};
</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #ebeef5;
  box-shadow: 0 0 5px 1px #ccc;
  ::v-deep .el-image__inner {
    transition: all 0.3s;
    cursor: pointer;
    &:hover {
      transform: scale(1.2);
    }
  }
  ::v-deep .image-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}
</style>
